Plas-yn-Rhiw (Gwynedd) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
Light rain changing to sunny intervals by early evening.
Sunrise:
Sunset:
Next low tide: for
Hell's Mouth (Beach)
7 day forecast for Plas-yn-Rhiw
Today (16 May 2026)
| Time |
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
 |
 |
|
 |
 |
|
 |
| Chance of precipitation |
60%
|
70%
|
≥95%
|
90%
|
70%
|
50%
|
60%
|
60%
|
50%
|
40%
|
50%
|
80%
|
60%
|
40%
|
| Temperature |
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
6°
|
| Wind direction and speed |
SSW
9
|
SSW
10
|
SW
11
|
SW
12
|
SW
12
|
SW
13
|
WSW
13
|
WSW
13
|
WSW
12
|
WSW
11
|
W
11
|
W
10
|
WNW
11
|
WNW
12
|
| Wind gust (mph) |
17
|
19
|
20
|
20
|
22
|
23
|
23
|
22
|
21
|
21
|
22
|
23
|
25
|
26
|
| Visibility |
M
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
90%
|
94%
|
92%
|
89%
|
88%
|
88%
|
87%
|
90%
|
86%
|
87%
|
85%
|
85%
|
84%
|
84%
|
| UV | 3 | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | - | - |
Sunday (17 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
30%
|
30%
|
50%
|
70%
|
70%
|
90%
|
90%
|
70%
|
60%
|
60%
|
50%
|
| Temperature (°C) |
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
6°
|
5°
|
5°
|
5°
|
| Wind direction and speed (mph) |
WNW
12
|
WNW
13
|
WNW
13
|
WNW
12
|
WNW
12
|
W
11
|
W
11
|
W
13
|
W
14
|
WSW
15
|
WSW
16
|
WSW
16
|
SW
16
|
SW
17
|
SW
18
|
SW
19
|
SW
19
|
SW
19
|
SW
18
|
WSW
16
|
SW
14
|
SW
12
|
WSW
11
|
WSW
10
|
| Wind gust (mph) |
27
|
28
|
27
|
26
|
26
|
25
|
24
|
24
|
24
|
24
|
24
|
25
|
25
|
27
|
30
|
31
|
31
|
32
|
30
|
27
|
26
|
23
|
20
|
20
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
83%
|
83%
|
83%
|
82%
|
83%
|
84%
|
83%
|
80%
|
75%
|
73%
|
68%
|
65%
|
65%
|
65%
|
67%
|
72%
|
76%
|
77%
|
80%
|
85%
|
86%
|
89%
|
88%
|
89%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 6 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Monday (18 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
| Chance of precipitation |
50%
|
40%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
30%
|
40%
|
60%
|
80%
|
90%
|
90%
|
90%
|
90%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
5°
|
5°
|
4°
|
5°
|
6°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
W
9
|
WSW
8
|
W
8
|
W
8
|
W
7
|
W
7
|
W
6
|
WSW
6
|
SW
7
|
SW
8
|
SSW
10
|
SSW
11
|
SSW
12
|
SSW
12
|
SSW
12
|
S
12
|
S
13
|
S
14
|
SSE
15
|
SSE
17
|
SSE
19
|
SSE
21
|
SSE
22
|
SSE
23
|
| Wind gust (mph) |
18
|
18
|
16
|
16
|
15
|
13
|
13
|
13
|
13
|
15
|
15
|
17
|
18
|
18
|
19
|
19
|
20
|
22
|
25
|
28
|
30
|
32
|
35
|
36
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
M
|
P
|
P
|
P
|
VP
|
VP
|
| Humidity |
88%
|
89%
|
88%
|
88%
|
90%
|
90%
|
90%
|
86%
|
81%
|
77%
|
76%
|
75%
|
71%
|
70%
|
70%
|
70%
|
73%
|
77%
|
79%
|
84%
|
88%
|
91%
|
93%
|
93%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | - | - |
Tuesday (19 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
90%
|
90%
|
≥95%
|
≥95%
|
90%
|
80%
|
80%
|
60%
|
60%
|
70%
|
60%
|
60%
|
40%
|
30%
|
20%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
30%
|
20%
|
| Temperature (°C) |
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
SSE
23
|
SSE
24
|
SSE
24
|
SSE
24
|
S
23
|
S
22
|
S
22
|
S
21
|
S
20
|
S
20
|
SSW
21
|
SSW
21
|
SSW
21
|
SSW
22
|
SSW
22
|
SSW
22
|
SSW
22
|
SSW
22
|
SSW
22
|
SSW
21
|
SSW
21
|
SSW
20
|
SSW
19
|
SSW
19
|
| Wind gust (mph) |
37
|
37
|
37
|
36
|
34
|
33
|
32
|
31
|
30
|
30
|
30
|
30
|
30
|
30
|
31
|
31
|
31
|
31
|
31
|
31
|
30
|
30
|
30
|
30
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
P
|
P
|
P
|
VP
|
P
|
| Humidity |
93%
|
95%
|
95%
|
96%
|
97%
|
98%
|
98%
|
98%
|
97%
|
97%
|
97%
|
95%
|
94%
|
92%
|
91%
|
89%
|
88%
|
88%
|
88%
|
90%
|
92%
|
93%
|
94%
|
94%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 4 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Wednesday (20 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
18
|
SSW
18
|
SSW
18
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
18
|
SSW
19
|
SSW
18
|
SSW
17
|
SSW
15
|
S
15
|
S
14
|
S
15
|
| Wind gust (mph) |
30
|
29
|
30
|
31
|
30
|
29
|
28
|
28
|
28
|
28
|
27
|
27
|
28
|
28
|
27
|
27
|
26
|
26
|
25
|
25
|
22
|
20
|
21
|
22
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
VP
|
P
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
95%
|
94%
|
95%
|
95%
|
96%
|
96%
|
97%
|
95%
|
94%
|
93%
|
92%
|
91%
|
89%
|
87%
|
87%
|
85%
|
84%
|
85%
|
85%
|
86%
|
89%
|
92%
|
93%
|
93%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Thursday (21 May 2026)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
12°
|
15°
|
18°
|
19°
|
18°
|
13°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
12°
|
14°
|
16°
|
16°
|
12°
|
| Wind direction and speed (mph) |
S
15
|
S
15
|
SSE
15
|
SSE
15
|
SSE
17
|
S
17
|
S
14
|
SSE
9
|
SE
9
|
| Wind gust (mph) |
21
|
22
|
22
|
25
|
27
|
26
|
22
|
13
|
14
|
| Visibility (description) |
P
|
P
|
VP
|
P
|
M
|
G
|
VG
|
VG
|
M
|
| Humidity |
92%
|
93%
|
93%
|
91%
|
82%
|
69%
|
63%
|
67%
|
87%
|
| UV | - | - | - | 1 | 3 | 5 | 3 | 1 | - |
Friday (22 May 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
13°
|
12°
|
13°
|
18°
|
20°
|
21°
|
18°
|
14°
|
| Feels like temperature (°C) |
11°
|
10°
|
12°
|
15°
|
17°
|
18°
|
16°
|
12°
|
| Wind direction and speed (mph) |
SSE
9
|
SSE
10
|
SSE
10
|
SSE
14
|
S
16
|
S
14
|
S
11
|
SSE
10
|
| Wind gust (mph) |
16
|
15
|
21
|
25
|
26
|
21
|
15
|
16
|
| Visibility (description) |
P
|
P
|
P
|
M
|
VG
|
VG
|
VG
|
M
|
| Humidity |
86%
|
87%
|
84%
|
70%
|
65%
|
58%
|
69%
|
86%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
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Wales weather forecast
Headline:
Turning warmer next week.
Today:
A cloudy start with outbreaks of light rain and drizzle at first. The rain and drizzle will turn more persistent through the day, perhaps with some heavier bursts over hills. Feeling chilly. Maximum temperature 15 °C.
Tonight:
Rain moves away east. Then broken cloud and clear spells following, along with possible a few light showers, these most likely across western areas. Minimum temperature 5 °C.
Sunday:
Bright or sunny spells and isolated showers until mid to late afternoon, then the showers become more widespread, frequent and often heavy, with a chance of thunder. Maximum temperature 15 °C.
Outlook for Monday to Wednesday:
Windy at the start of the week with showers or longer spells of rain. However, temperatures will also start to rise, with more settled weather likely later in the week.
Updated:
UK long range weather forecast
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